5軸制御工作機械のための工程設計支援システムの開発（第1報）

—ボクセルモデルを利用した除去領域の算出と工具経路の生成による工具姿勢の決定—

抄録

5-axis control milling is adopted to manufacture valuable parts in such fields as aerospace, automotive and die/mold industries. However, it takes extensive amount of time and efforts to determine the process planning parameters by skilled engineers because the machining process is much complicated. On the other hand, 3+2-axis control milling is often operated for high efficient milling on a 5-axis controlled machine tool. Machining accuracy can be improved and tool trajectory becomes simple in 3+2-axis control milling. However, it is still difficult to determine the effective tool posture automatically. Therefore, a calculation method of removal volume at each tool posture is proposed. Free-form surfaces are focused on target shapes because it is difficult to recognize machining features. In order to compare the machining efficiency, the cutting time is estimated by generating tool paths at each tool posture in this study.